<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <!-- 
        rowspan 设置横跨行数 
        colspan 列数
    -->
    <table border="1px">
        <caption>学生信息表</caption>
        <thead>
            <tr>
                <td>编号</td>
                <td>姓名</td>
                <th>年龄</th>
                <th>姓名</th>
                <th>地址</th>
            </tr>
        </thead>
        <tbody>
            <tr>
                <td>1-1</td>
                <td>1-2</td>
                <td>1-3</td>
                <td colspan="2">1-4</td>
                <!-- <td>1-5</td> -->
            </tr>
            <tr>
                <td rowspan="2" colspan="2">2-1</td>
                <td>2-2</td>
                <td>2-3</td>
                <td>2-4</td>
                <td rowspan="2">2-5</td>
            </tr> 
            <tr>
                <td>3-1</td>
                <td>3-2</td>
                <td>3-3</td>
                <td>3-4</td>
                <!-- <td>3-5</td> -->
            </tr>
            <tr>
                <td>4-1</td>
                <td>4-2</td>
                <td>4-3</td>
                <td>4-4</td>
                <td>4-5</td>
            </tr>
        </tbody>
        <tfoot>
            <tr>
                <td>1</td>
                <td>2</td>
                <td>3</td>
                <td>4</td>
                <td>5</td>
            </tr>
        </tfoot>
    </table>
</body>
</html>